Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Tamil
காலம்
←
Sanskrit
काल
(derived)
→
Malayalam
കാലം
(cognate)
→
Tamil
கால்
(link)
→
Tamil
மழைக்காலம்
(compound)